English: In a synthetic two-species community of motile strains of bacteria, Escherichia coli is a fugitive species, whereas Pseudomonas aeruginosa is a slower colonizer but superior competitor. A trade-off between competition and colonization abilities rules ecological succession in bacterial meta communities.
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Captions
Ecological succession in a bacterial community on-chip. (A) sketch of a device implementing a micron-scale patchy environment; (B,C) Fluorescent microscopy of Escherichia coli (magenta) and Pseudomonas aeruginosa (green) eco-dynamics; (D) succession.